S-94708A121 0.12" ID x 0.31" OD Bonded Sealing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with hot-dipped galvanized steel construction, ensuring long-lasting performance in harsh industrial environments
• Reliable sealing performance thanks to the bonded neoprene rubber seal with Durometer 65A hardness, preventing fluid and dust ingress
• Wide temperature tolerance from -40°F to 250°F, maintaining seal integrity in extreme thermal conditions
• Precision dimensional fit with 0.12" ID and 0.31" OD, designed specifically for No. 4 screws to prevent loosening and misalignment
• Environmental compliance assurance with RoHS 3 and REACH compliance, meeting strict international regulatory standards
• Dual-material durability combining steel structural strength with flexible neoprene for vibration resistance and extended service life
• Easy identification and installation with black seal color for quick visual verification in assembly line applications

Professional Applications & Engineering Value

This metal bonded washer delivers exceptional engineering value by solving critical sealing and corrosion challenges in demanding industrial applications. The hot-dipped galvanized steel base provides robust structural support while offering superior protection against rust and chemical exposure. The permanently bonded neoprene rubber seal (Durometer 65A) creates a reliable barrier against moisture, dust, and contaminants, making it ideal for outdoor equipment, automotive assemblies, and electrical enclosures. With its specialized design for No. 4 screw size and inch system measurements, this washer ensures perfect fitment in precision assemblies where vibration resistance and environmental sealing are paramount. The extended temperature range from -40°F to 250°F makes it suitable for applications experiencing thermal cycling, from refrigeration systems to engine compartments.

Specification Summary & Compliance

This precision metal bonded washer features exact dimensional specifications with 0.12" inner diameter, 0.31" outer diameter, and thickness ranging from 0.169" to 0.204". Manufactured to inch system standards for compatibility with No. 4 screws, the product maintains consistent dimensional accuracy for reliable performance. The assembly complies with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, ensuring environmental safety and regulatory compliance for global industrial applications. The combination of hot-dipped galvanized steel and neoprene rubber seal material provides a comprehensive solution for applications requiring both structural integrity and effective sealing performance.